package cn.itcast.day02.demo01;

public class Demo04ArrayUse {
    public static void main(String[] args) {
        int[] array={10,20,30};
        System.out.println(array[0]);
        System.out.println(array[1]);
        System.out.println(array[2]);
        int num=array[1];
        System.out.println(num);
    }
}
